diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 500ab13..3c36487 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -1,7 +1,9 @@
 version: 2
 updates:
   - package-ecosystem: "github-actions"
-    directory: "/"
+    directories:
+      - "/"
+      - "/subaction/matrix"
     schedule:
       interval: "daily"
     cooldown: